<template>
  <transition name="move">
    <div v-show="showFlag" class="food-component" ref="food">
      <div class="food-content">
        <div class="image-header">
          <img :src="food.image">
          <div class="back" @click="hide">
            <i class="icon-arrow_lift"></i>
          </div>
        </div>
        <div class="content">
          <h1 class="title">{{food.name}}</h1>
          <div class="detail">
            <span class="sell-count">月售{{food.sellCount}}份</span>
            <span class="rating">好评率{{food.rating}}%</span>
          </div>
          <div class="price">
            <span class="now">￥{{food.price}}</span><span class="old" v-show="food.oldPrice">￥{{food.oldPrice}}</span>
          </div>
          <div class="cartcontrol-wrapper">
            <cartcontrol @add="addFood" :food="food"></cartcontrol>
          </div>
          <transition name="fade">
            <div @click.stop.prevent="addFirst" class="buy" v-show="!food.count || food.count===0">
              加入购物车
            </div>
          </transition>
        </div>
        <split v-show="food.info"></split>
        <div class="info" v-show="food.info">
          <h1 class="title">商品信息</h1>
          <p class="text">{{food.info}}</p>
        </div>
        <split></split>
        <div class="rating">
          <h1 class="title">商品评价</h1>
          <ratingselect @select="selectRating" @toggle="toggleContent" :selectType="selectType"
                        :onlyContent="onlyContent" :desc="desc"
                        :ratings="food.ratings"></ratingselect>
          <div class="rating-wrapper">
            <ul v-show="food.ratings && food.ratings.length">
              <li
                v-show="needShow(rating.rateType,rating.text)"
                v-for="(rating, ratIndex) in food.ratings"
                class="rating-item border-1px-bottom"
                :key="ratIndex"
              >
                <div class="user">
                  <span class="name">{{rating.username}}</span>
                  <img class="avatar" width="12" height="12" :src="rating.avatar">
                </div>
                <div class="time">{{rating.rateTime | formatDate}}</div>
                <p class="text">
                  <span :class="{'icon-thumb_up':rating.rateType===0,'icon-thumb_down':rating.rateType===1}"></span>{{rating.text}}
                </p>
              </li>
            </ul>
            <div class="no-rating" v-show="!food.ratings || !food.ratings.length">暂无评价</div>
          </div>
        </div>
      </div>
    </div>
  </transition>
</template>

<script type="text/ecmascript-6">
  import BScroll from 'better-scroll'
  import Vue from 'vue'
  import {formatDate} from '../common/js/date'
  import cartcontrol from '../cartcontrol/cartcontrol'
  import ratingselect from '../ratingselect/ratingselect'
  import split from '../split/split'

  const ALL = 2

  export default {
    props: {
      food: {
        type: Object
      }
    },
    data () {
      return {
        showFlag: false,
        selectType: ALL,
        onlyContent: true,
        desc: {
          all: '全部',
          positive: '推荐',
          negative: '吐槽'
        }
      }
    },
    methods: {
      show () {
        this.showFlag = true
        this.selectType = ALL
        this.onlyContent = true
        this.$nextTick(() => {
          if (!this.scroll) {
            this.scroll = new BScroll(this.$refs.food, {
              click: true
            })
          } else {
            this.scroll.refresh()
          }
        })
      },
      hide () {
        this.showFlag = false
      },
      addFirst (event) {
        if (!event._constructed) {
          return
        }
        this.$emit('add', event.target)
        Vue.set(this.food, 'count', 1)
      },
      needShow (type, text) {
        if (this.onlyContent && !text) {
          return false
        }
        if (this.selectType === ALL) {
          return true
        } else {
          return type === this.selectType
        }
      },
      addFood (target) {
        this.$emit('add', target)
      },
      selectRating (type) {
        this.selectType = type
        this.$nextTick(() => {
          this.scroll.refresh()
        })
      },
      toggleContent () {
        this.onlyContent = !this.onlyContent
        this.$nextTick(() => {
          this.scroll.refresh()
        })
      }
    },
    filters: {
      formatDate (time) {
        let date = new Date(time)
        return formatDate(date, 'yyyy-MM-dd hh:mm')
      }
    },
    components: {
      cartcontrol,
      ratingselect,
      split
    }
  }
</script>

<style lang="stylus">
  @import "../../goshopping/common/stylus/mixin.styl"

  .food-component{
    position:fixed
    left:0
    top:0
    bottom:48px
    z-index:30
    width:100%
    background:#fff
    transform:translate3d(0,0,0)
    &.move-enter-active, &.move-leave-active{
      transition:all .2s linear
    }
    &.move-enter,&.move-leave-active{
      transform:translate3d(100%,0,0)
    }
    .image-header{
      position:relative
      width:100%
      height:0
      padding-top:100%
      img{
        position:absolute
        top:0
        left:0
        width:100%
        height:100%
      }
    }
    .back{
      position:absolute
      top:10px
      left:0
      .icon-arrow_lift{
        display:block
        padding:10px
        font-size:20px
        color:#fff
      }
    }
    .content{
      position:relative
      padding:18px
      .title{
        line-height:14px
        margin-bottom:8px
        font-size:14px
        font-weight:700
        color:rgb(7,17,27)
      }
      .detail{
        margin-bottom:18px
        height:10px
        line-height:10px
        font-size:0
        .sell-count,.rating{
          font-size:10px
          color:rgb(147,153,159)
        }
        .sell-count{
          margin-right:12px
        }
      }
      .price{
        font-weight:700
        line-height:24px
        .now{
          margin-right:8px
          font-size:14px
          color:rgb(240,20,20)
        }
        .old{
          text-decoration:line-through
          font-size:10px
          color:rgb(147,153,159)
        }
      }
      .cartcontrol-wrapper{
        position:absolute
        right:12px
        bottom:12px
      }
      .buy{
        position:absolute
        right:18px
        bottom:18px
        z-index:10
        height:24px
        line-height:24px
        padding:0 12px
        box-sizing:border-box
        border-radius:12px
        font-size:10px
        color:#fff
        background:rgb(0,160,220)
        opacity:1
        &.fade-enter-active, &.fade-leave-active{
          transition:all .2s
        }
        &.fade-enter, &.fade-leave-active{
          opacity:0
          z-index:-1
        }
      }
    }
    .info{
      padding:18px
      .title{
        line-height:14px
        margin-bottom:6px
        font-size:14px
        color:rgb(7,17,27)
      }
      .text{
        padding:0 8px
        line-height:24px
        font-size:12px
        color:rgb(77,85,93)
      }
    }
    .rating{
      padding-top:18px
      .title{
        line-height:14px
        margin-left:18px
        font-size:14px
        color:rgb(7,17,27)
      }
      .rating-wrapper{
        padding:0 18px
        .rating-item{
          position:relative
          padding:16px 0
          border-1px-bottom(rgba(7,17,27,.1))
          .user{
            position:absolute
            right:0
            top:16px
            line-height:12px
            font-size:0
            .name{
              display:inline-block
              vertical-align:top
              margin-right:6px
              font-size:10px
              color:rgb(147,153,159)
            }
            .avatar{
              border-radius:50%
            }
          }
          .time{
            margin-bottom:6px
            line-height:12px
            font-size:10px
            color:rgb(147,153,159)
          }
          .text{
            line-height:16px
            font-size:12px
            color:rgb(7,17,27)
            .icon-thumb_down,.icon-thumb_up{
              margin-right:4px
              font-size:12px
            }
            .icon-thumb_up{
              color:rgb(0,160,220)
            }
            .icon-thumb_down{
              color:rgb(147,153,159)
            }
          }
        }
        .no-rating{
          padding:16px 0
          font-size:12px
          color:rgb(147,153,159)
        }
      }
    }
  }
</style>
